Crane base fastener



FIG. 1 is an exploded environmental perspective view of the crane base fastener;

FIG. 2 is one end view of the design;

FIG. 3 is a top plan view thereof;

FIG. 4 is the other end view thereof;

FIG. 5 is one side view thereof;

FIG. 6 is the other side view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing in FIG. 1 illustrates the environment of the claimed design and forms no part thereof. 

CLAIM The ornamental design for a crane base fastener, as shown and described. 